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The study of x-radiation
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Image or picture produced by x-rays
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Radiology Ch 1/2
| Question | Answer |
|---|---|
| The study of x-radiation | Radiology |
| Image or picture produced by x-rays | Radiograph |
| An older term given to x-radiation in honor of its discoverer | Roentgen ray |
| The original term Roentgen applied to the invisible ray he discovered | X-ray |
| The making of radiographs by exposing and processing x-ray film | Radiography |
| Who discovered the x-ray | Wilhelm Conrad Roentgen |
| When were x-rays discovered | 1895 |
| Who is believed to have exposed the prototype of the first dental x-ray film | Otto Walkhoff |
| Who is considered by many to be the first advocate for the science of radiation protection | William Herbert Rollins |
| Replacing the pointed "cone" position indicating device (PID) with an open-cylinder PID reduced the radiation dose to the patient because open-cylinder PID's eliminate scattered x-rays through contact wight he cone material | Both the statement and reason are correct and related |
| Which imaging modality will most likely become the gold standard for imaging certain dental conditions in the near future | Cone beam volumetric tomography (CBVT) |
| Who is given credit for applying the rule of isometry to the bisecting technique | A. Cieszynski |
| Who is given credit for developing the paralleling technique | Franklin McCormack |
| List five uses of dental radiographs | Growth, Trauma, Missing/Extra Teeth, Diseases and Educate |
| What term describes the smallest particle of an element that retain the properties of that element | Atom |
| Which of these subatomic particles carries a negative electric charge | Electron |
| Radiant energy sufficient to remove an electron from its orbital level of an atom is called | Ionizing |
| What term describes the process by which unstable atoms undergo decay in an effort to obtain nuclear stability | Radioactivity |
| Which of the following is NOT a property shared by all energies of the electromagnetic spectrum | Travel in a pulsating motion at the speed of sound |
| What is the distance between two similar points on two successive waves called | Wavelength |
| Which of these electromagnetic radiations has the shortest wavelengths | X-rays |
| Which of these forms of radiation has the greatest penetrating power | X-rays |
| Which of these forms of radiation is least capable of causing ionization of body tissue cells | Infrared light |
| Radiation produced when high-speed electrons are stopped or slowed down by the tungsten atoms of the dental x-ray tube is called | General/Bremsstrahlung |
| What term best describes the process of transferring x-ray energy to the atoms of the material through which the x-ray beam passes | Absorption |
| Which of these terms is the unit used to measure radiation exposure | Coulombs per kilogram (roentgen) |
| The Symteme Internationale (SI) unit that has replaced the traditional unit rem is | Sievert |
| Dental and medical x-rays account for what percentage of the overall total exposure to ionizing radiation to an individual in the United States | 5% |
| What is the average amount of background radiation to an individual in the United States | 3.1 mSv (310 millirem) per year |
| List 5 properties of X-rays | Invisible, Travel in straight lines, Travel at speed of light, Have no mass or weight and Have no charge |
| List 3 sources of background radiation | Cosmic radiations from outer space, Terrestrial radiations from the earth and its environments including radon gas and Background radiations from naturally occurring radionuclides that are deposited in our bodies by inhalation and ingestion |
| Ionizing Radiation... | Gamma rays, Cosmic Rays and X-rays |
| PID stands for... | Position indicating device |
| Artificial Radiation | UV tanning beds, cell phones etc. |
| Natural Radiation | Radon tests at home, sunlight etc. |
| Do we need high frequency short wavelengths for x-rays? | Yes |
| Discovered x-rays in 1895 | Wilhem Roentgen |
| May have taken the first dental x-ray in 1896 | William Rollins |
| First to make dental radiograph in 1896 | Otto Walkhoff |
| "Rule of Isometry" bisecting technique in 1907 | A. Ciesynski |
| Paralleling technique in 19230 | Franklin McCormack |
| List from beginning to end of the electromagnetic spectrum | Cosmic rays, Gamma rays, UV rays, Visible light, Infrared, TV, Rader, Microwave and Radio Waves |
| Low frequency, Low energy and Less penetrating x-ray is a... | Long Wavelength |
| High frequency, High energy and More penetrating x-ray is a .... | Short Wavelength |
| What is the traditional unit to Coulombs per kilogram (C/kg) | Roentgen (R) |
| What is the tradition unit to Gray (Gy) | Rad |
| What is the traditional unit to Sievert (Sv) | Rem |
| What is the quantity to Coulombs per kilogram | Exposure |
| What is the quantity to Gray | Absorbed Dose |
| What is the quantity to Sievert | Dose Equivalent |
Created by:
nhilkey_13